return moduleFactory$.pipe(map((factory: NgModuleFactory<any>) => {
      if (this.onLoadEndListener) {
        this.onLoadEndListener(route);
      }

      const module = factory.create(parentInjector);

      return new LoadedRouterConfig(flatten(module.injector.get(ROUTES)).map(copyConfig), module);
    }));

            .then((module: NgModuleFactory<any>) => {
                const moduleRef = module.create(this.vcRef.parentInjector);

                this.modalService.showModal(LazyComponent, {
                    moduleRef,
                    viewContainerRef: this.vcRef,
                    context: { isModal: true }
                });
            });

 private bootstrapComponentsFromModule(appRef: ApplicationRef, moduleFactory: NgModuleFactory<any>) {
   const ngModuleRef = moduleFactory.create(this.injector);
   ngModuleRef.injector.get('components').forEach((components: Type<{}>[]) => {
     components.forEach((component: Type<{}>) => {
       const compFactory = ngModuleRef.componentFactoryResolver.resolveComponentFactory(component);
       if (document.querySelector(compFactory.selector)) {
         appRef.bootstrap(compFactory);
       }
     });
   });
 }

    return map.call(moduleFactory$, (factory: NgModuleFactory<any>) => {
      if (this.onLoadEndListener) {
        this.onLoadEndListener(route);
      }

      const module = factory.create(parentInjector);
      const injectorFactory = (parent: Injector) => factory.create(parent).injector;

      return new LoadedRouterConfig(
          flatten(module.injector.get(ROUTES)), module.injector, module.componentFactoryResolver,
          injectorFactory);
    });

 ng2Injector.get(NgModuleFactoryLoader).load(path).then((factory: NgModuleFactory<any>) => 
     factory.create(ng2Injector));

 const injectorFactory = (parent: Injector) => factory.create(parent).injector;